Choose the correct statement given below regarding juxta medullary nephron. [NEET 2024]
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Choose the correct statement given below regarding juxta medullary nephron. [NEET 2024]
✓ Correct answer: d) Loop of Henle of juxta medullary nephron runs deep into medulla.
ExplanationJuxta medullary nephrons are characterized by: Long Loop of Henle that extends deep into the renal medulla, which is crucial for the formation of concentrated urine through the counter-current mechanism.Renal corpuscle located at the junction of the cortex and medulla.Vasa recta surrounding the long loop, playing a key role in maintaining the osmolarity gradient.(A) is incorrect because Cortical nephrons outnumber juxta medullary nephrons.(B) is incorrect as juxta medullary nephrons are not located in the columns of Bertini (these are extensions of the cortex between renal pyramids).(C) is incorrect because the Renal corpuscle lies close to the medulla, not in the outer cortex.Therefore, the correct statement is (D).
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